package com.mao.service;

import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;

@Service
public class AsyncService {

    @Async     //告诉Spring这是一个异步任务
    public void hello(){
        try {
            Thread.sleep(3000);
        }catch (InterruptedException e){
            e.printStackTrace();
        }
        System.out.println("用户数据处理中......");
    }

}
